Initial commit

_src/ESP8266 docs/irc.c

@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <netdb.h>
+
+int conn;
+char sbuf[512];
+
+void raw(char *fmt, ...) {
+    va_list ap;
+    va_start(ap, fmt);
+    vsnprintf(sbuf, 512, fmt, ap);
+    va_end(ap);
+    printf("<< %s", sbuf);
+    write(conn, sbuf, strlen(sbuf));
+}
+
+int main() {
+    
+    char *nick = "test";
+    char *channel = NULL;
+    char *host = "irc.dav7.net";
+    char *port = "6667";
+    
+    char *user, *command, *where, *message, *sep, *target;
+    int i, j, l, sl, o = -1, start, wordcount;
+    char buf[513];
+    struct addrinfo hints, *res;
+    
+    memset(&hints, 0, sizeof hints);
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    getaddrinfo(host, port, &hints, &res);
+    conn = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+    connect(conn, res->ai_addr, res->ai_addrlen);
+    
+    raw("USER %s 0 0 :%s\r\n", nick, nick);
+    raw("NICK %s\r\n", nick);
+    
+    while ((sl = read(conn, sbuf, 512))) {
+        for (i = 0; i < sl; i++) {
+            o++;
+            buf[o] = sbuf[i];
+            if ((i > 0 && sbuf[i] == '\n' && sbuf[i - 1] == '\r') || o == 512) {
+                buf[o + 1] = '\0';
+                l = o;
+                o = -1;
+                
+                printf(">> %s", buf);
+                
+                if (!strncmp(buf, "PING", 4)) {
+                    buf[1] = 'O';
+                    raw(buf);
+                } else if (buf[0] == ':') {
+                    wordcount = 0;
+                    user = command = where = message = NULL;
+                    for (j = 1; j < l; j++) {
+                        if (buf[j] == ' ') {
+                            buf[j] = '\0';
+                            wordcount++;
+                            switch(wordcount) {
+                                case 1: user = buf + 1; break;
+                                case 2: command = buf + start; break;
+                                case 3: where = buf + start; break;
+                            }
+                            if (j == l - 1) continue;
+                            start = j + 1;
+                        } else if (buf[j] == ':' && wordcount == 3) {
+                            if (j < l - 1) message = buf + j + 1;
+                            break;
+                        }
+                    }
+                    
+                    if (wordcount < 2) continue;
+                    
+                    if (!strncmp(command, "001", 3) && channel != NULL) {
+                        raw("JOIN %s\r\n", channel);
+                    } else if (!strncmp(command, "PRIVMSG", 7) || !strncmp(command, "NOTICE", 6)) {
+                        if (where == NULL || message == NULL) continue;
+                        if ((sep = strchr(user, '!')) != NULL) user[sep - user] = '\0';
+                        if (where[0] == '#' || where[0] == '&' || where[0] == '+' || where[0] == '!') target = where; else target = user;
+                        printf("[from: %s] [reply-with: %s] [where: %s] [reply-to: %s] %s", user, command, where, target, message);
+                        //raw("%s %s :%s", command, target, message); // If you enable this the IRCd will get its "*** Looking up your hostname..." messages thrown back at it but it works...
+                    }
+                }
+                
+            }
+        }
+        
+    }
+    
+    return 0;
+    
+}